Exodus 31:14

Keep my Sabbath, for it is holy to you. Whoever will have polluted it, shall die a death. Whoever will have done any work in it, his soul shall perish from the midst of his people

Other versions

King James Version

Ye shall keep the sabbath therefore; for it is holy unto you: every one that defileth it shall surely be put to death: for whosoever doeth any work therein, that soul shall be cut off from among his people.

English Standard Version

You shall keep the Sabbath, because it is holy for you. Everyone who profanes it shall be put to death. Whoever does any work on it, that soul shall be cut off from among his people.

New International Version

"'Observe the Sabbath, because it is holy to you. Anyone who desecrates it must be put to death; whoever does any work on that day must be cut off from his people.